1.
Fiorillo F, Esposito L, Pagnozzi M, Ciarcia S, Testa G. Karst springs of Apennines typified by upwelling flux. AS [Internet]. 20Dec.2018 [cited 23Mar.2019];7(4). Available from: http://acquesotterranee.net/index.php/acque/article/view/362